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74LS251 8-to-1 Mux
74LS251
Texas Instrumentsic logic
The 74LS251 is an 8-to-1 multiplexer with digital inputs and outputs.
In stock
Specifications
3- Operating Voltage
- 5.0 V to 12.0 V (VCC) / 3.0 V to 6.0 V (A, B, C, D, E, F, G, H)
- Supply Current
- 4.8 mA (max)
- Interface
- TTL compatible
Pinout
16Low source legibility.The original manufacturer datasheet for this part was difficult to read, so this pinout may be incomplete or imperfect. Always confirm against the specific manufacturer’s datasheet before wiring.
| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | VCC | POWER | Supply voltage |
| 2 | A0 | GPIO | Data input |
| 3 | A1 | GPIO | Data input |
| 4 | A2 | GPIO | Data input |
| 5 | S0 | GPIO | Select input |
| 6 | S1 | GPIO | Select input |
| 7 | VSS | GND | Ground |
| 8 | B | GPIO | Data output |
| 9 | A3 | GPIO | Data input |
| 10 | S2 | GPIO | Select input |
| 11 | VSS | GND | Ground |
| 12 | A4 | GPIO | Data input |
| 13 | S3 | GPIO | Select input |
| 14 | VSS | GND | Ground |
| 15 | A5 | GPIO | Data input |
| 16 | S4 | GPIO | Select input |
Interactive pinout
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74LS251
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